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A kind of nitrogen onium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymer and preparation method thereof

A technology of styrene and ionization, applied in the field of azonium ionized polymer and preparation thereof, can solve the problems such as the preparation method of ammonium SIBS that have not been publicly reported

Active Publication Date: 2018-02-23
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, there is no published report on ammonium SIBS and its preparation method

Method used

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  • A kind of nitrogen onium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymer and preparation method thereof
  • A kind of nitrogen onium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymer and preparation method thereof
  • A kind of nitrogen onium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymer and preparation method thereof

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with the examples, but it does not constitute a limitation to the protection scope of the present invention.

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Abstract

The invention relates to azonium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymer and a preparation method thereof. Using poly(styrene-b-isobutylene-b-styrene) as the base material, it is prepared through chloromethylation and nitrogenium ionization in sequence. The nitrogen-containing onium ion salt substituted poly(styrene-b-isobutylene-b-styrene) triblock copolymer prepared by the method of the present invention has high ion content, high ionization degree, high ionization reaction efficiency, and the preparation method Simple.

Description

Technical field: [0001] The invention relates to the field of azonium ionized polymers and a preparation method thereof, in particular to azonium ionized poly(styrene-b-isobutylene-b-styrene) triblock copolymers and a preparation method thereof. Background technique: [0002] Thermoplastic elastomers have the elastic deformation ability similar to rubber at room temperature, and have the processing properties of thermoplastics when heated to a certain temperature. Poly(styrene-b-isobutylene-b-styrene) triblock copolymer (abbreviation: SIBS) is a kind of soft segment fully saturated thermoplastic elastomer, and the chemical structure of polyisobutylene segment in the middle endows poly(styrene-b - Isobutylene-b-styrene) triblock copolymers have excellent thermo-oxidative stability, aging resistance, barrier properties, processability and reprocessability, shock absorption properties and barrier properties to water and air. In addition, poly(styrene-b-isobutylene-b-styrene) t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F8/24C08F8/44C08F297/00C08F297/06
Inventor 吴一弦代培徐日炜牛茂善
Owner BEIJING UNIV OF CHEM TECH
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